THE 



MAY, 1908 



VOL. XXn, No. 2 



OTTAWA 

 NATURALIST 



Published by The Ottawa Field-Naturalists' Club. 



CONTENTS. 



PAGE 



Some Sanitary Considerations Regarding the Construction, Health 

 and Ventilation of Houses. By Peter H.Bryce, M.A. , M.D. 

 L.R.C.P.S., - - - - - - - - - 33 



Council Meeting ----------38 



Report of the Entomological Branch, 1907 39 



Meeting of Entomological Branch __-_-- 43 



Report of the Ornithological Branch, 1907-08 - - - - 46 



Excursions -- -48 



ISSUED MAY 27, 1908. 



OTTAWA. CANADA • 



The f^oLLA L Grain Co Limited 



Wellington St. 



Bntered at the Ottawa Post Office as secotul class piatter. 



